2804646 has 32 divisors (see below), whose sum is σ = 6195168. Its totient is φ = 840960.

The previous prime is 2804639. The next prime is 2804693. The reversal of 2804646 is 6464082.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2760 + ... + 3636.

It is an arithmetic number, because the mean of its divisors is an integer number (193599).

2^2804646 is an apocalyptic number.

2804646 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2804646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3097584).

2804646 is an abundant number, since it is smaller than the sum of its proper divisors (3390522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2804646 is a wasteful number, since it uses less digits than its factorization.

2804646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 2804646 is about 1674.7077356960. The cubic root of 2804646 is about 141.0238881110.

Subtracting from 2804646 its product of nonzero digits (9216), we obtain a triangular number (2795430 = T₂₃₆₄).

The spelling of 2804646 in words is "two million, eight hundred four thousand, six hundred forty-six".